blockchain

noun

block·​chain ˈbläk-ˌchān How to pronounce blockchain (audio)
: a digital database containing information (such as records of financial transactions) that can be simultaneously used and shared within a large decentralized, publicly accessible network
also : the technology used to create such a database
The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way. Marco Iansiti and Karim R. Lakhani

Examples of blockchain in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Crypto Confidential: Forbes' definitive guide to crypto and blockchain, delivered to your inbox every Saturday. Shehan Chandrasekera, Forbes, 16 Mar. 2025 The Horror Section’s technical partner in the venture is Sui, a leading blockchain and smart contract platform. Borys Kit, The Hollywood Reporter, 14 Mar. 2025 Democrats expressed frustration on some points, foreshadowing what's likely to come when the bill is debated before the full Senate. Between the lines: A theme emerged about how blockchains impact law enforcement. Brady Dale, Axios, 13 Mar. 2025 But the primary use of blockchain, according to experts, is for crypto transactions. Jesse Coburn, ProPublica, 7 Mar. 2025 See All Example Sentences for blockchain

Word History

First Known Use

2011, in the meaning defined above

Time Traveler
The first known use of blockchain was in 2011

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Cite this Entry

“Blockchain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blockchain. Accessed 21 Mar. 2025.

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